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Finding the Fourth Proportional to 18,232.84, 27,349.25 and 4,381.84

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Solution

The fourth proportional to 18,232.84, 27,349.25 and 4,381.84 is: 6,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.84 : 27,349.25 = 4,381.84 : x
  2. Step 2: Convert to fraction form
    18,232.84/27,349.25 = 4,381.84/x
  3. Step 3: Cross multiply
    18,232.84x = 27,349.25 × 4,381.84
  4. Step 4: Simplify right side
    18,232.84x = 119,839,958.29
  5. Step 5: Solve for x
    x = 119,839,958.29/18,232.84
  6. Step 6: Final answer
    x = 6,572.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.